It is blue-red shade in water and ethanol with strong fluorescence, slightly soluble in acetone and easily soluble in ethylene glycol ether. It is yellow-brown color in concentrated sulfuric acid with strong green fluorescence. The color is bright red after dilution and then blue-red and orange. When the water solution is heated by after adding sodium hydroxide, it produces rosy flocculent precipitation.

Solvent Red 49 Usage

Mainly used for coloration in grease, candles, rubber, plastics and transparent paint.